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MSE PRO Milling Media Set for 250 ml 440C SS Planetary Mill Jar– MSE Supplies LLC

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MSE PRO Milling Media Set for 250 ml 440C SS Planetary Mill Jar - MSE Supplies LLC

MSE PRO Milling Media Set for 250 ml 440C SS Planetary Mill Jar

SKU: BA0769

  • $ 10995


440C SS Media Set for 250ml Planetary Mill Jars

Contains: 24 pieces 10 mm, 477 pieces 5 mm, and 1326 pieces 3 mm 440C SS milling media balls for optimal milling.

Product SKU#: BA0769

Polished 440C stainless steel is a high carbon steel with moderate corrosion resistance. 440C stainless steel grinding media balls have the highest strength and wear resistance among all the stainless steel alloys due to its high carbon content. The high wear resistance and strength make it a good choice for milling media, 440C is also used for ball bearings and valve parts. Good resistance to the atmosphere, fresh water, foods, alkalies and mild acids. The corrosion resistance of grade 440C approximates that of grade 304 in many environments.

General Description for 440C Stainless Steel Grinding Media

CHEMICAL COMPOSITION

CHROMIUM

17%

CARBON

1.1%

MANGANESE

1% 

SILICON

1%

MOLYBDENUM

0.75%

Iron

79.15%

MECHANICAL PROPERTIES

TENSILE STRENGTH

110,000 TO 286,000 PSI

YIELD STRENGTH (@ strain 0.200%)

65300-276000 psi

ELONGATION AT BREAK

2-14 %

BULK MODULUS

24100 ksi

MODULUS OF ELASTICITY

29008 ksi

DENSITY

.282 LBS./CU.IN.

HARDNESS (Rockwell B)

97

PHYSICAL CHARACTERISTICS

CORROSION RESISTANCE

GOOD

MAGNETIC

YES